About: http://webisa.webdatacommons.org/39036460

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The calcium ion sources used may be calcium salts, such as calcium chloride, calcium fluoride, calcium bromide, calcium iodide, calcium sulfate, calcium sulfide, calcium hydroxide, especially preferably calcium chloride.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com